#include <stdio.h>
int sstrcmp(char s[], char t[]) 
{
    int i = 0, j = 0;
    while (s[i] && t[j] && s[i] == t[j])
	{
    i++;
	j++;
    }
    return s[i] - t[j];
}
int main() 
{
    int x;
    char s1[50], s2[50];
	scanf("%s%s", s1, s2);
	x = sstrcmp(s1, s2);
    printf("%d\n", x);
    return 0;
}